"The asking price is what we put into it," says Mr. Dunnan, who says that 40 workers spent two years redoing the electrical and plumbing, opening up old fireplaces, stripping off 30 coats of paint in some areas and repairing the 1810 moldings.

Listed by The Corcoran Group, #56E maintains its historic charm with plenty of original details including "antique paneling, leaded glass windows, a stained glass curved two story church window, boisserie, antique Georgian mantles and numerous other original moldings and detail."

Concierge Auctions The finished product, which they moved into in 1995, includes marble from Brazil, China, Greece and Italy as well as hand-carved moldings from six different workshops and doorknobs from Paris.